ARM: shmobile: bockw: enable global use of FPGA

This patch enables global use of FPGA,
since it will be used from many devices.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 8 insertions, 7 deletions

diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c
index 6b9faf3908f7..b998c6b2a270 100644
--- a/arch/arm/mach-shmobile/board-bockw.c
+++ b/arch/arm/mach-shmobile/board-bockw.c
@@ -38,6 +38,10 @@
 #include <mach/r8a7778.h>
 #include <asm/mach/arch.h>
 
+#define FPGA    0x18200000
+#define IRQ0MR  0x30
+static void __iomem *fpga;
+
 /*
  *      CN9(Upper side) SCIF/RCAN selection
  *
@@ -224,8 +228,6 @@ static const struct pinctrl_map bockw_pinctrl_map[] = {
                                   "vin1_data8", "vin1"),
 };
 
-#define FPGA    0x18200000
-#define IRQ0MR  0x30
 #define PFC     0xfffc0000
 #define PUPR4   0x110
 static void __init bockw_init(void)
@@ -269,8 +271,8 @@ static void __init bockw_init(void)
 
 
         /* for SMSC */
-        base = ioremap_nocache(FPGA, SZ_1M);
-        if (base) {
+        fpga = ioremap_nocache(FPGA, SZ_1M);
+        if (fpga) {
                 /*
                  * CAUTION
                  *
@@ -278,10 +280,9 @@ static void __init bockw_init(void)
                  * it should be cared in the future
                  * Now, it is assuming IRQ0 was used only from SMSC.
                  */
-                u16 val = ioread16(base + IRQ0MR);
+                u16 val = ioread16(fpga + IRQ0MR);
                 val &= ~(1 << 4); /* enable SMSC911x */
-                iowrite16(val, base + IRQ0MR);
-                iounmap(base);
+                iowrite16(val, fpga + IRQ0MR);
 
                 regulator_register_fixed(0, dummy_supplies,
                                          ARRAY_SIZE(dummy_supplies));